This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...
After finding some ultrasonic transducers online for a dollar each [Kerry Wong] decided to create an ultrasonic range finder. The result is much like parallax’s PING))) sensor but much cheaper. His ...
Rumors have persisted for a couple of years now that smartphone fingerprint sensors would eventually be going subterranean, embedded within the glass of a phone's screen or rear panel instead of being ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback